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Fig. 1


From left to right. The field of Swift J1749.4–2807 observed in the H-band on 2010 Aug. 30, Aug. 31, Sept. 01, Sept. 05. A clear worsening of resolution and flux limit is visible in the last two epochs (see Sect. 2 for details). The black circle represents the X-ray error circle (1.6′′ radius, 90% c.l.). North is up and east to the left. Image size is 5.4′′ × 5.4′′.

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